@FunctionalInterface public interface PartitionFieldExtractor<T extends org.apache.flink.connector.file.src.FileSourceSplit> extends Serializable
Object extract(T split, String fieldName, org.apache.flink.table.types.logical.LogicalType fieldType)
static PartitionFieldExtractor<org.apache.flink.connector.file.src.FileSourceSplit> forFileSystem(String defaultPartValue)
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